2044005442403 has 4 divisors (see below), whose sum is σ = 2164241056680. Its totient is φ = 1923769828128.

The previous prime is 2044005442379. The next prime is 2044005442433. The reversal of 2044005442403 is 3042445004402.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2044005442403 - 2²⁸ = 2043737006947 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2044005442403.

It is not an unprimeable number, because it can be changed into a prime (2044005442433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60117807113 + ... + 60117807146.

It is an arithmetic number, because the mean of its divisors is an integer number (541060264170).

Almost surely, 2^{2044005442403} is an apocalyptic number.

2044005442403 is a deficient number, since it is larger than the sum of its proper divisors (120235614277).

2044005442403 is a wasteful number, since it uses less digits than its factorization.

2044005442403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120235614276.

The product of its (nonzero) digits is 61440, while the sum is 32.

The spelling of 2044005442403 in words is "two trillion, forty-four billion, five million, four hundred forty-two thousand, four hundred three".